Duncan weather in October

In October, Duncan sees average daytime highs of 13°C and overnight lows near 6°C, with 140 mm of precipitation across 13.7 wet days and about 10.5 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 10°C by the end. The sky is clear or mostly clear about 26% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 42 min by month's end. Set against the rest of the year, October is Duncan's 5th-clearest and 7th-windiest month. For the whole year in context, see Duncan's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Precipitation
140 mm
13.7 wet days
Daylight
10 h 30 min
6:44 AM – 5:16 PM
Cloud cover
65%
5th clearest
Wind
6 km/h
7th windiest
Solar energy
2.26 kWh/m²
Travel score
3.4
out of 10

Duncan is city in British Columbia, Canada.

Air quality
Good
PM2.5 7.5 µg/m³ · 2019
Density
10,724/km²
people per km²
Founded
1912

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 10°C by the end.

A typical October day in Duncan reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 17°C. Set against its neighbours, October runs about 6°C cooler than September and about 5°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4168
5158
6158
7157
8157
9147
10147
11147
12147
13147
14137
15136
16136
17136
18136
19126
20126
21126
22125
23125
24115
25115
26115
27115
28115
29105
30104
31104

How October really feels in Duncan

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Duncan weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 21317.87.18.50.1
Feb / 13314.46.39.80.7
Mar / 15717.46.611.61.4
Apr12° / 11015.61.713.42.8
May16° / 7011.40.1155.0
Jun19° / 10°529.3015.96.2
Jul23° / 13°275015.57.8
Aug23° / 13°395.1014.27.9
Sep19° / 10°668.7012.46.5
Oct13° / 14013.70.210.53.4
Nov / 21218.13.891.0
Dec / 21017.78.68.10.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25050
34951
44753
54555
64456
74357
84159
93961
103862
113664
123664
133565
143466
153466
163466
173367
183367
193367
203367
213268
223268
233268
243268
253268
263268
273268
283169
293169
303070
313070

Chance of precipitation in October

Any precipitationSnow

Duncan gets around 140 mm of rain and snow over 13.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 51% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1320
2330
3340
4350
5360
6370
7380
8390
9410
10420
11430
12440
13450
14461
15471
16481
17481
18491
19491
20491
21491
22491
23491
24491
25481
26492
27492
28492
29502
30503
31513

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2991
3991
4991
5991
6991
7991
8991
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 6:21 AM to 7:08 AM, and sunset from 5:47 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:215:47
211.46:225:45
311.36:245:42
411.36:255:40
511.26:275:38
611.16:285:36
711.16:305:34
811.06:315:32
910.96:335:30
1010.96:355:28
1110.86:365:26
1210.86:385:24
1310.76:395:22
1410.66:415:20
1510.66:425:18
1610.56:445:16
1710.56:455:14
1810.46:475:12
1910.46:495:10
2010.36:505:08
2110.26:525:06
2210.26:535:04
2310.16:555:03
2410.16:575:01
2510.06:584:59
2610.07:004:57
279.97:014:56
289.87:034:54
299.87:054:52
309.77:064:50
319.77:084:49

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.26 kWh/m².

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 6.62 kWh/m² in July across the year — October's 2.26 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.1Moderate
33.0Moderate
43.0Moderate
52.9Moderate
62.8Moderate
72.8Moderate
82.7Moderate
92.6Moderate
102.6Moderate
112.5Moderate
122.4Moderate
132.4Moderate
142.3Moderate
152.3Moderate
162.2Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.0Moderate
212.0Dim
221.9Dim
231.9Dim
241.9Dim
251.8Dim
261.8Dim
271.8Dim
281.7Dim
291.7Dim
301.6Dim
311.6Dim
Planning a trip in October

Hazard calendar for Duncan

In seasonPeak

In October, Duncan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Duncan's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Duncan?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.4
Sightseeing
6th-best month of the year
0.2
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Duncan.

What to pack for Duncan in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Duncan sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Duncan in October

The nearest coast averages about 11°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) is warmest in August at about 16°C and coldest in January near 7°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug16Cool
Sep14Bracing
Oct11Bracing
Nov9Bracing
Dec8Bracing

UV index in Duncan in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Duncan peaks around July 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Duncan?

Duncan sits at 48.8°N, 123.7°W, 14 m above sea level, in Canada. The nearest listed city is North Cowichan, 7.0 km away.

Topography around Duncan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Duncan.

Within 3 km, the terrain around Duncan has only modest variations in elevation — a maximum elevation change of 113 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,571 m.

The land around Duncan is covered by trees (54%) and grassland (21%) within 3 km, trees (73%) within 16 km, and water (48%) and trees (45%) within 80 km.

3 km
113 m
16 km
1,155 m
80 km
1,571 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: North Cowichan 7.0 km · Central Saanich 32 km · Saanich 36 km · Langford 40 km · Carey 41 km · Colwood 42 km · Gordon Head 44 km · Esquimalt 44 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Duncan (48.7829°, -123.7027°, elevation 14 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).